R.I. Gen. Laws § 30-1-6: Enrollment.

Whenever the governor deems it necessary, he or she may order an enrollment to be made of all persons liable to service in the militia. The enrollment shall be accomplished and exemptions from liability to perform militia duty shall be determined and established in accordance with rules and regulations to be prescribed by the governor, and the rules and regulations so prescribed shall have the force and effect of law. Any person required to perform any act under this section who neglects or refuses to properly perform that act shall be guilty of a misdemeanor.